Where does “Bjørgvin” come from?

Bjørgvin (Faroese) comes from Old Norse Bjǫrgvin, from Old Norse bjarg, from Proto-Germanic bergaz, from Proto-Indo-European bʰerǵʰ- — to rise; high, lofty; hill, mountain.

Ancestry of “Bjørgvin”, step by step

Step	Language	Word	Meaning
1	Old Norse	Bjǫrgvin	meadow between the mountains
2	Old Norse	bjarg	Alternative form of berg; cliff
3	Proto-Germanic	bergaz	hill; mountain; refuge; shelter
4	Proto-Indo-European	bʰerǵʰ-	to rise; high, lofty; hill, mountain

Every word from Proto-Indo-European bʰerǵʰ- →Every word from Proto-Germanic bergaz →Every word from Old Norse Bjǫrgvin →